CN102872996A - Pre-coating device and pre-coating method - Google Patents
Pre-coating device and pre-coating method Download PDFInfo
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- CN102872996A CN102872996A CN2012102167522A CN201210216752A CN102872996A CN 102872996 A CN102872996 A CN 102872996A CN 2012102167522 A CN2012102167522 A CN 2012102167522A CN 201210216752 A CN201210216752 A CN 201210216752A CN 102872996 A CN102872996 A CN 102872996A
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- 239000011248 coating agent Substances 0.000 title claims abstract description 118
- 239000007921 spray Substances 0.000 claims abstract description 103
- 238000005507 spraying Methods 0.000 claims abstract description 84
- 238000003466 welding Methods 0.000 claims abstract description 49
- 239000003973 paint Substances 0.000 claims description 97
- 238000002347 injection Methods 0.000 claims description 25
- 239000007924 injection Substances 0.000 claims description 25
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 2
- 230000009467 reduction Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 239000003595 mist Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 13
- 230000002787 reinforcement Effects 0.000 description 10
- 239000000428 dust Substances 0.000 description 6
- 208000037805 labour Diseases 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000010422 painting Methods 0.000 description 3
- 238000012797 qualification Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000013138 pruning Methods 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- PZNPLUBHRSSFHT-RRHRGVEJSA-N 1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCCCC(=O)O[C@@H](COP([O-])(=O)OCC[N+](C)(C)C)COC(=O)CCCCCCCCCCCCCCC PZNPLUBHRSSFHT-RRHRGVEJSA-N 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
- B05B1/04—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in flat form, e.g. fan-like, sheet-like
- B05B1/044—Slits, i.e. narrow openings defined by two straight and parallel lips; Elongated outlets for producing very wide discharges, e.g. fluid curtains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1042—Components or details
- B05B11/1052—Actuation means
- B05B11/1056—Actuation means comprising rotatable or articulated levers
- B05B11/1057—Triggers, i.e. actuation means consisting of a single lever having one end rotating or pivoting around an axis or a hinge fixedly attached to the container, and another end directly actuated by the user
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
- B05B12/124—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus responsive to distance between spray apparatus and target
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0278—Arrangement or mounting of spray heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
- B05B13/0463—Installation or apparatus for applying liquid or other fluent material to moving work of indefinite length
- B05B13/0468—Installation or apparatus for applying liquid or other fluent material to moving work of indefinite length with reciprocating or oscillating spray heads
- B05B13/0473—Installation or apparatus for applying liquid or other fluent material to moving work of indefinite length with reciprocating or oscillating spray heads with spray heads reciprocating along a straight line
- B05B13/0478—Installation or apparatus for applying liquid or other fluent material to moving work of indefinite length with reciprocating or oscillating spray heads with spray heads reciprocating along a straight line the angular position of the spray heads relative to the straight line being modified during the reciprocating movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
- B05B9/0409—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material the pumps being driven by a hydraulic or a pneumatic fluid
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
- Spray Control Apparatus (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
Abstract
The invention provides a pre-coating device and a pre-coating method, which can substitute the hairbrush coating and carry out the pre-coating effectively. The pre-coating device used for coating on the coated surfaces of the welding parts or edge parts of a construction, comprises a coating pump (3) supplying a pre-coating coating at a specified pressure; a spraying part (15) for controlling the spraying of the coating supplied by the coating pump (3); a coating nozzle (18) operating the spraying part (15) to spray coating and possessing a mist spray guiding device (30)which keeps a certain distance between the coated surface of a pre-coating part and the front end part of the nozzle, is opposite to the coating spraying direction of the coating nozzle (18) and is expanded along the expansion of the coating sprayed by the coating nozzle (18).
Description
Technical field
The present invention relates to carry out for each precoating section of the edge part of the member on the structure of boats and ships etc. and weld part painting device and the coating process of field application.
Background technology
In the past, on the structure of the boats and ships of bulk freighter etc., in order to ensure coating thickness on edge part of welding portion and member etc. etc. and carry out field application.Guarantee the coating thickness on the edge part etc. of welding portion and member by this field application, suppress the generation (" precoating (Stripe Coating) application " in this specification and claims refer to extend at the edge part of the sheet material that consists of hull and the striated on the weld part application) of iron rust etc.Because field application is to carry out at the edge part that is difficult to carry out mechanical application and weld part etc., rather than can carry out mechanically in the planar portions of the broadness of hull etc. that the comprehensive part of application carries out, so major part adopts hairbrush to apply operation by the operating personnel to carry out.
On the other hand, for boats and ships, the applicable quilt of the coating standard for ballast tank and the dual bottom of bulk freighter of International Maritime Organization from 2008 (International Maritime Organization:IMO) (Performance Standard for Protective Coatings:PSPC) passes through.According to this coating standard, the applicable position of above-mentioned field application be defined as each weld part, shipbuilding with the longitudinal reinforcement member, cut edge part of end (snip), reinforcement, support, air vent, manhole, long and narrow hole, collar plate etc. (in this specification and claims, the part of these applicable field applications being referred to as " precoating section ").In addition, comprehensive application and field application are defined as and respectively apply twice.
Fig. 6 is the figure that the precoating section on the part is shown take boats and ships as example alow.According to above-mentioned coating standard, need to implement field application S with a plurality of parts such as the fillet welding section 101 of the edge part 103 of the fillet welding section 101 of longitudinal reinforcement member 100, panel 102, dividing wall 104 etc. and edge parts 105 to the shipbuilding that is arranged at hull bottom.
In addition, as shown in Figure 7, also need to implement this field application S for the part of the non-constants of workability such as lower side edge 107 of the fillet welding section 106 on the back side of the panel 102 of the upper end that is arranged at longitudinal reinforcement member 100, panel 102.
But aforesaid field application is the handwork that relies on operating personnel's hairbrush coating operation, and therefore the enlarged meeting of the above-mentioned field application scope of application increases considerably man-hour, thereby increases considerably the activity duration, produces a large amount of labours.For example, the captain is in the situation of the bulk freighter about 290m, sometimes needs the distance of field application to reach about 40～50km.In addition, because comprehensive application and field application alternately respectively apply twice, therefore need very many time and labour for this painting operation.
And, it is inhomogeneous that coating easily occurs when adopting hairbrush to apply, be difficult to guarantee suitable film thickness.Therefore, need time and labour in order to ensure suitable film quality.
So, proposed can carry out rapidly with the stable quality of the coating standard in the shipbuilding of satisfying applicable new coating standard the invention of above-mentioned field application operation.
For example be in the device of the brush painting that relies on handwork, make force feed coating spread all over equably hairbrush section, can carry out the device (for example, with reference to patent documentation 1) of uniform application.
The prior art document
Patent documentation 1: TOHKEMY 2011-41891 communique.
Yet, even the aforesaid field application that applies operation by hairbrush utilizes the invention of record in the above-mentioned patent documentation 1 for example, also be difficult to increase substantially operating personnel's application speed, be difficult to significantly shorten the activity duration that the scope of application relates to the field application of very wide scope, be difficult to cut down activity duration and labour.
In addition, adopt in the situation that hairbrush applies, be difficult to obtain uniform coating thickness (for example, each time the most suitable precoating coating thickness be about 100～150um) because operating personnel's qualification is different, therefore as mentioned above, the quality of field application becomes unstable according to completion status.Therefore, be difficult to keep the possibility of perfectly filming and the possibility of getting rusty in early days behind the lower water of existence.
And the invention of record is the coating content that coating is regulated in the operation of the handwork by the operating personnel in the above-mentioned patent documentation 1, therefore can apply inhomogeneous and coating sagging etc., needs high qualification in order to obtain stable film quality.Especially, when field application is carried out at the back side of above-mentioned panel 102 shown in Figure 7, for not occuring, coating sagging ground applies, need to rule of thumb apply in the quantity delivered of adjusting coating and the amount of carrying to hairbrush the operating personnel, therefore be very difficult operation, so need very high qualification in order to obtain stable film quality.
But, in recent years, can adopt hairbrush significantly to reduce coated with the skilled operating personnel that uniform coating thickness carries out field application, therefore guarantee that effectively the field application of suitable film quality becomes very difficult.
Summary of the invention
Therefore, the purpose of this invention is to provide and replace the hairbrush coating, can effectively carry out field application device and the field application method of field application.
In order to achieve the above object, field application device of the present invention is the field application device that carries out field application for the coated surface at each weld part of structure or edge part; Possess: the paint pump of supplying with the coating of described field application with authorized pressure; Control is from the injection section of the injection of the coating of described paint pump supply; With the paint spray nozzle of spray paint by the described injection section of operation; Described paint spray nozzle has between the coated surface that makes precoating section and the spray nozzle front end section and maintains a certain distance, and the coating injection direction that clips simultaneously this paint spray nozzle is relative, and the spraying guider that launches along the expansion of the coating that sprays from this paint spray nozzle.According to this structure, when moving, the application travel direction carries out field application with the state that contacts with the coated surface that carries out field application at the front end that makes the spraying guider, can keep distance between the coated surface of paint spray nozzle and precoating section to obtain uniform coating thickness with this, can suppress dispersing of coating by the spraying guider simultaneously, therefore can effectively guarantee the field application of suitable film quality.
Again, also can be, described spraying guider possesses the corresponding type spraying guider along the fillet welding section that two faces of the coated surface that forms fillet welding section move, and described fillet welding section corresponding type spraying guider has the curved moving direction bight that contacts with coated surface.According to this structure, make fillet welding section corresponding type spraying guider when fillet welding section moves, carry out field application, can be in the situation that utilize curved bight effectively to guarantee the field application of film quality not damage coated surface with this.
Also can be, described spraying guider possesses the corresponding type spraying of the edge part guider that moves along two faces of the coated surface that forms edge part, and the corresponding type spraying of described edge part guider has the travel direction guide portion of the concavity that contacts with coated surface.According to such structure, making the corresponding type spraying of edge part guider when shipbuilding is moved to travel direction with the edge part of longitudinal reinforcement member and reinforcement etc., carry out field application, can effectively guarantee the field application of film quality with this.
Again, also can be that described paint spray nozzle possesses the changeable mechanism of the coating spray angle that can change this paint spray nozzle.According to such structure, the angular adjustment of the coating that will spray from paint spray nozzle is the angle of coated surface that is suitable for carrying out the various positions of field application, can by the spraying guider keep and coated surface between distance to carry out application.By means of this, can effectively guarantee to various precoating section the field application of suitable film quality.For example, even field application up also can carry out effectively.
Again, also can be, described paint pump be made of without air pump low pressure, described possess without air pump alleviate by once pressing and the adjuster of the fluctuation of the pressure reduction generation that secondary is pressed.According to this structure, by comparing with the general pump of shipbuilding industry, the coating that will suppress the low pressure of the fluctuation that produces on the paint pump without air pump of low pressure is supplied to paint spray nozzle, make the field application maintenance certain amplitude of utilizing from the coating of paint spray nozzle injection, also reduce the dust that disperses from the spraying guider, can guarantee by the coating that sprays along the spraying guider field application of film quality.
On the other hand, field application method of the present invention is the field application method of carrying out field application for the coated surface at each weld part of structure or edge part; Comprise: the coating of supplying with described field application with authorized pressure; Make the coating injection direction of the paint spray nozzle that sprays described coating relative with coated surface; The spraying guider of the front end by being arranged at described paint spray nozzle, make between the coated surface of the spray nozzle front end section of described paint spray nozzle and precoating section to maintain a certain distance, will carry out application along the expansion of spraying guider from the coating that described paint spray nozzle sprays simultaneously.According to this structure, when moving, the application travel direction carries out field application with the state that contacts with the coated surface that carries out field application at the front end that makes the spraying guider, can keep distance between the coated surface of paint spray nozzle and precoating section to obtain uniform coating thickness with this, can suppress dispersing of coating by the spraying guider simultaneously, therefore can effectively guarantee the field application of suitable film quality.
Also can when moving, two faces that make described spraying guider along the coated surface that forms fillet welding section or edge part carry out application again.According to this structure, make the spraying guider when fillet welding section or edge part move, carry out field application, can effectively guarantee the field application of film quality with this.
Again, also can change described paint spray nozzle with respect to the coating spray angle of coated surface to carry out application.According to such structure, the angular adjustment of the coating that will spray from paint spray nozzle is the angle of coated surface that is suitable for carrying out the various positions of field application, can by the spraying guider keep and coated surface between distance to carry out application.By means of this, can effectively guarantee to various precoating section the field application of suitable film quality.For example, even field application up also can carry out effectively.
According to the present invention, make between coated surface and the paint spray nozzle apart from keep certain distance always, can guarantee film quality with uniform coating thickness with this, by effectively carrying out field application significantly to reduce work hours, can seek the raising of operating efficiency and the raising of quality.
Description of drawings
Fig. 1 is the stereogram that illustrates according to the field application device of an example of the present invention;
Fig. 2 is the figure of the corresponding type spraying guider of the fillet welding section shown in Fig. 1, and wherein Fig. 2 (a) is front view, and Fig. 2 (b) is upward view, and Fig. 2 (c) is side view;
Fig. 3 is the stereogram that the use state of the corresponding type spraying guider of the fillet welding section shown in Fig. 1 is shown;
Fig. 4 is the figure that replaces the corresponding type spraying of the edge part guider of the corresponding type spraying guider of the fillet welding section shown in Fig. 2, and wherein Fig. 4 (a) is front view, and Fig. 4 (b) is upward view, and Fig. 4 (c) is side view;
Fig. 5 is the stereogram that the use state of the corresponding type spraying of the edge part shown in Fig. 4 guider is shown;
Fig. 6 is the stereogram that the precoating section on the hull bottom part of boats and ships is shown;
Fig. 7 is with the stereogram shown in another angle after the VII section shown in the enlarged drawing 6;
Symbol description:
1 field application device;
2 low-pressure types are without the gas coating machine;
3 paint pumps;
4 dehumidifiers;
5 pressure-air supplying flexible pipes;
6 air motor sections;
7 bottom pumps;
8 bars;
9 pistons;
10 paint cans;
11 coating flexible pipes;
12 outlets;
13 adjusters;
14 drain hoses;
15 injection sections;
16 control sticks;
17 discharge pipes;
18 paint spray nozzles;
19 support sectors;
20 changeable mechanisms;
21 axis of rockings;
30 fillet welding sections corresponding type spraying guider;
31 installation portions;
32 guide plates;
33 nozzle peristomes;
The corresponding type spraying of 50 edge parts guider;
51 installation portions;
52 guide plates;
53 nozzle peristomes;
54 travel direction guide portion;
55 protrusions;
60 fillet welding sections;
61 coated surfaces;
70 edge parts;
71 coated surfaces;
P coating;
The S field application;
The V travel direction.
The specific embodiment
Below, an example of example of the present invention is described with reference to the accompanying drawings.In following example, possess the field application device 1 of fillet welding section corresponding type spraying guider 30 according to Fig. 1～Fig. 3 explanation, the corresponding type spraying of the edge part guider 50 of replacing fillet welding section corresponding type spraying guider 30 is described according to Fig. 4, Fig. 5.
As shown in Figure 1, the field application device 1 of this example possesses the low-pressure type of the paint pump in the form of piston 3 with usefulness high pressure air drives without gas coating machine 2.Paint pump 3 is supplied with pressure-air by the pressure-air supplying flexible pipe 5 that is connected with the dehumidifier 4 that is arranged at top, and this pressure-air is supplied to air motor section 6.
Be provided with bottom pump 7 below air motor section 6, the bar 8 by air motor section 6 knee-actions extends to the inside of bottom pump 7, and is connected with the piston 9 of bottom pump 7.The lower end of this bottom pump 7 is connected with the coating flexible pipe 11 that is arranged at paint can 10.
So, when bar 8 knee-action that extend the inside to bottom pump 7 of above-mentioned air motor section 6, be arranged at the piston 9 of lower end of this bar 8 at the inside of bottom pump 7 knee-action.By the knee-action of this piston 9, attract coating from the coating flexible pipe 11 that is connected with above-mentioned coating tank 10.Such paint pump 3 is without air pump (airless pump).
Outlet 12 at bottom pump 7 is provided with adjuster 13, and the coating of discharging from bottom pump 7 is expelled to this adjuster 13.Alleviate the fluctuation of the coating of discharging by the piston 9 of bottom pump 7 by this adjuster 13.Be provided with drain hose 14 at adjuster 13, be provided with injection section 15 at the leading section of this drain hose 14.Among the figure, the part of the drain hose 14 that elliptically record is long.
And to be piston areas of making bottom pump 7 diminish the low pressure of (for example, pressure ratio is 30:1) without air pump with respect to the ratio of the piston area of starter motor section 6 with above-mentioned coating pump 3.By with low pressure without air pump as paint pump 3, as hereinafter described, even closely carry out also can preventing dispersing of coating dust (spraying dust) in the situation of application from paint spray nozzle 18.In addition, by adjuster 13 is set, suppress the fluctuation that the pressure variation because of the coating of discharging from paint pump 3 causes, the amplitude of the field application S of the coating that utilizes aforesaid piston 9 by bottom pump 7 to discharge is kept to a certain degree, dispersing of coating dust can be suppressed, the field application S of suitable film quality can be guaranteed to the suitable application region that requires field application S.
Like this, in this example, in order when the zone that requires field application S is coated with, to alleviate dispersing of coating dust, use to have the low-pressure type of adjuster 13 without gas coating machine 2.
On the other hand, be provided with control stick 16 and paint spray nozzle 18 in above-mentioned injection section 15.In this example, be provided with the discharge pipe 17 of specific length at the front end of control stick 16, be provided with paint spray nozzle 18 at the fore-end of this discharge pipe 17.
According to this injection section 15, by holding control stick 16, the coating of supplying with from bottom pump 7 through adjuster 13 and drain hose 14 is sprayed by paint spray nozzle 18.And, be provided with above-mentioned fillet welding section corresponding type spraying guider 30 at the coating injection direction of above-mentioned coating nozzle 18.
Shown in Fig. 2 (a)～(c), above-mentioned fillet welding section corresponding type spraying guider 30 have to be installed in be arranged at discharge pipe 17(Fig. 1) the support sector 19 of paint spray nozzle 18 of leading section on installation portion 31 and the guide plate 32 that extends from these installation portion 31 forward end directions.Installation portion 31 can be screwed in support sector 19.Omit the diagram of detailed structure.
Above-mentioned guide plate 32 is that 61 distance (" distance from paint spray nozzle to coated surface " this specification and the claim refers to from paint spray nozzle 18 to guide plate the distance of 32 front end) is formed for the length L (for example being about 80mm) that is suitable for making the distance of coating P atomizing and can carry out field application S in prescribed limit.Distance L from this paint spray nozzle 18 to coated surface 61 (for example being about 80mm) for the operating personnel at fillet welding section 60 usefulness hand move operation paint spray nozzles 18 with distance corresponding to the speed that applies.
And above-mentioned guide plate 32 is set to launch with predetermined angular from installation portion 31, and the nozzle that two guide plates 32 clip on the central part that is arranged at installation portion 31 is arranged on the symmetric position with peristome 33.That is, the guide plate 32 coating injection direction that clips paint spray nozzle 18 relatively arranges.
Shown in Fig. 2 (c), the expanded angle of these guide plates 32 be set as make guide plate not can with the angle that contacts from being arranged in coating P that nozzle sprays with the paint spray nozzle 18 of the central portion of peristome 33.The amplitude that the fillet welding section of this example corresponding type spraying guider 30 is set as with respect to the coating P that sprays from paint spray nozzle 18 has the angle in certain gap.In this example, the expansion amplitude W on the leading section of guide plate 32 is set as the approximately angle of 50mm.
And shown in Fig. 2 (a), the moving direction bight 34 of the fore-end of each guide plate 32 forms with the curved surface shape.In this example, the fore-end integral body of each guide plate 32 forms the curved surface shape.This fillet welding section corresponding type spraying guider 30 is formed by plastics, stainless steel, aluminium, steel etc.In addition, also can be arranged at the fore-end of each guide plate 32 roller (not shown) that coated surface 61 rotates, with the damage that prevents from filming.
So, shown in Fig. 2 (c), according to the field application device 1 that possesses above-mentioned fillet welding section corresponding type spraying guider 30, when fillet welding section corresponding type spraying guider 30 is moved (being the direction with the paper quadrature in the figure) along two members of the coated surface 61 that forms fillet welding section 60, can make to keep certain distance ground to carry out field application S between paint spray nozzle 18 and the coated surface 61.Thus, can by from the low-pressure fuel injection coating P of paint spray nozzle 18 with regulation, guarantee to be suitable for the field application S of the film quality of fillet welding section 60.
As shown in Figure 3, as the use state of above-mentioned fillet welding section corresponding type spraying guider 30, the changeable mechanism 20 of the leading section of above-mentioned coating nozzle 18 and fillet welding section corresponding type spraying guider 30 by being arranged at discharge pipe 17 relatively tilts with suitable angle and coated surface 61.Changeable mechanism 20 is that the leading section at discharge pipe 17 arranges support sector 19, is supported in the mechanism of shaking in this support sector 19 by axis of rocking 21 axles.It is crooked that this changeable mechanism 20 is set to the direction that can arrange to the guide plate 32 of the expansion of fillet welding section corresponding type spraying guider 30.Illustrated double dot dash line illustrates the state that shakes discharge pipe 17 sides.Changeable mechanism 20 can keep its angle under the state that the corresponding type spraying of paint spray nozzle 18 and fillet welding section guider 30 is tilted.
And, according to the fillet welding section that uses with such state corresponding type spraying guider 30, the guide plate 32 that makes fillet welding section corresponding type spraying guider 30 moves to travel direction V along the coated surface 61 of two faces that form fillet welding section 60, with this can be under the distance that keeps between paint spray nozzle 18 and the coated surface 61 mobile paint spray nozzle 18.In addition, when a side of the guide plate 32 of fillet welding section corresponding type spraying guider 30 is moved along the one side of coated surface 61, also can be under the distance that roughly keeps between paint spray nozzle 18 and the coated surface 61 mobile paint spray nozzle 18.
So, can be by guarantee the field application S of suitable film quality to the prescribed limit of fillet welding section 60 from the coating of paint spray nozzle 18 injections.
In addition, owing under the state on the direction that the travel direction V of type spraying guider 30 corresponding to fillet welding section intersects (direction of intersecting with the direction of carrying out field application S), carrying out field application S in the position of two guide plates 32, so also can alleviate from paint spray nozzle 18 injections and peripherad the dispersing of coating P that atomize.
Yet, utilize the quality of filming of the coating P that sprays from above-mentioned coating nozzle 18 according to the bore of the discharge pressure of coating P, paint spray nozzle 18, to the translational speed of the distance of coated surface 61 and the paint spray nozzle 18 by the operating personnel and difference.For example, as with the relation of 61 the distance from paint spray nozzle 18 to coated surface, the nearlyer then coating thickness of distance is thicker, the generation of the cracking after might causing etc.Distance then coating thickness far away is thinner, need to carry out repairing work to this part.
Thus, the example as the field application S by above-mentioned field application device 1 makes
Discharge pressure (secondary pressure): 4MPa～9MPa,
The bore of paint spray nozzle: 0.38～0.44mm,
The distance (guide plate length): approximately 50～100mm,
The translational speed of paint spray nozzle: about 0.8～1.2m/sec,
Make between paint spray nozzle 18 and the coated surface 61 with this condition to keep certain distance ground to carry out field application S, can guarantee the field application S of suitable film quality with this.For example, be in the situation of the bulk freighter about 290m above-mentioned captain, the field application S that applies by hairbrush needs approximately 10000 times, but can carry out with about 5000 times during by above-mentioned field application device 1, therefore can significantly shorten the activity duration and reduce the labour.In addition, owing to being under low pressure field application S, therefore can make coating P be difficult to disperse to other parts, also seek to prevent dispersing of coating dust.
Then, according to the corresponding type spraying of Fig. 4 (a)～(c) explanation edge part guider 50.In addition, the structure of above-mentioned field application device 1 is marked with same-sign, and the description thereof will be omitted.
As shown in the figure, on edge part 70 is implemented the corresponding type spraying of the edge part guider 50 of field application S, also have to be installed in be arranged at discharge pipe 17(Fig. 1) the support sector 19 of paint spray nozzle 18 of leading section on installation portion 51 and the guide plate 52 that extends from these installation portion 51 forward end directions.Installation portion 51 can be screwed in support sector 19.Omit the diagram of detailed structure.
Above-mentioned guide plate 52 is that to make from paint spray nozzle 18 to coated surface 71 distance be that the length L (for example being about 30mm) that is suitable for making the distance of coating atomizing and can carry out field application S in prescribed limit forms.Distance L from this paint spray nozzle 18 to coated surface 71 is (to the distance of the front end of guide plate 52.For example be about 30mm) for the operating personnel in edge part 70 usefulness hand operateds with distance corresponding to the speed that applies.
And above-mentioned guide plate 52 is set to launch with predetermined angular from installation portion 51, and two guide plates 52 arrange with peristome 53 symmetrically with respect to the nozzle on the central part that is arranged at installation portion 51.That is, the guide plate 52 coating injection direction that clips paint spray nozzle 18 relatively arranges.
Shown in Fig. 4 (c), the expanded angle of these guide plates 52 be set as make guide plate not can with the angle that contacts from being arranged in coating P that nozzle sprays with the paint spray nozzle 18 of the central portion of peristome 53.The amplitude that the corresponding type spraying of the edge part of this example guider 50 is set as with respect to the coating P that sprays from paint spray nozzle 18 has the angle in wide gap.In this example, the expansion amplitude W on the leading section of guide plate 52 is set as the approximately angle of 30mm.
And, shown in Fig. 4 (a), each guide plate 52 launches ground from installation portion 51 forward end and forms, and is formed with the travel direction guide portion 54 of the concavity that moves along the coated surface 71 of edge part 70 at the central portion of fore-end (in this example from fore-end approximately 30mm).This travel direction guide portion 54 enters approximately with the fore-end from guide plate 52, and the V word shape of 10mm forms.In addition, in this example, this travel direction guide portion 54 is formed to make central protrusion 55 contact the toroidal of coated surfaces 71.Like this, form protrusion 55 in travel direction guide portion 54, reduce the contact portion of travel direction guide portion 54 and coated surface 71 with this.In addition, so that the part except the protrusion 55 of travel direction guide portion 54 can not contact coated surface 71, can prevent the damage of filming to the coated surface 71 of comprehensive application with this by the travel direction guide portion 54 of pruning.
In addition, because edge part 70 forms toroidal by utilizing grinding machine etc. to carry out edge treated usually, therefore the aspect consideration from preventing that travel direction guide portion 54 from contact with this edge part 70, the travel direction guide portion 54 of pruning and the protrusion 55 that passes through toroidal contacts with coated surface 71.The corresponding type spraying of such edge part guider 50 is formed by plastics, stainless steel, aluminium, steel etc.And, also can be arranged at the fore-end of each guide plate 52 roller (not shown) that coated surface 71 rotates, with the damage that prevents from filming.
So, according to the corresponding type spraying of above-mentioned edge part guider 50, shown in Fig. 4 (a), when the corresponding type spraying of edge part guider 50 is moved along the coated surface 71 of edge part 70, can utilize guide plate 52 to make between paint spray nozzle 18 and the coated surface 71 and maintain a certain distance.Thus, the field application S of suitable film quality can be effectively guaranteed with uniform coating thickness, dispersing of coating P can be suppressed by guide plate 52 simultaneously.
In addition, can implement to utilize two guide plates 52 to keep with the distance of coated surface 71 carrying out the operation of field application S to two directions, thereby can keep by two sides' guide plate 52 distance with coated surface 71 effectively to carry out the field application operation to two directions.And, can be by suppress the field application S that disperses of coating P with the coating of low-pressure injection from paint spray nozzle 18.
As shown in Figure 5, as the use state of the corresponding type spraying of above-mentioned edge part guider 50, the changeable mechanism 20 of the leading section of the corresponding type spraying of above-mentioned coating nozzle 18 and edge part guider 50 by being arranged at discharge pipe 17 relatively tilts with suitable angle and coated surface 71.Changeable mechanism 20 is that the leading section at discharge pipe 17 arranges support sector 19, is supported in the mechanism of shaking in this support sector 19 by axis of rocking 21 axles.This changeable mechanism 20 is set to can be crooked to the travel direction V of the corresponding type spraying of edge part guider 50.Illustrated double dot dash line illustrates the state that shakes discharge pipe 17 sides.Changeable mechanism 20 can keep its angle under the state with paint spray nozzle 18 and 50 inclinations of the corresponding type spraying of edge part guider.
And, according to the corresponding type spraying of the edge part that uses with such state guider 50, the leading section that makes the corresponding type spraying of edge part guider 50 moves to travel direction V along the coated surface 71 of two faces that form edge part 70, with this can be under the distance that keeps between paint spray nozzle 18 and the coated surface 71 mobile paint spray nozzle 18.In addition, when a side of the corresponding type spraying of edge part guider 50 is moved along the one side of coated surface 71, also can be under the distance that roughly keeps between paint spray nozzle 18 and the coated surface 71 mobile paint spray nozzle 18.
So, can guarantee by the prescribed limit of the coating opposite side edge 70 of spraying from paint spray nozzle 18 the field application S of suitable film quality.
And guide plate 52 contact coated surfaces 71 by making the travel direction front side, and the guide plate 52 of rear side is suspended can prevent damage to filming with this.
In addition, owing under the state on the direction that the travel direction V of type spraying guider 50 corresponding to edge part intersects (direction of intersecting with the direction of carrying out field application S), carrying out field application S in the position of two guide plates 52, so can alleviate from paint spray nozzle 18 injections and peripherad the dispersing of coating that atomize.
In addition, also be the bore of discharge pressure, paint spray nozzle 18 by adjusting coating P in the corresponding type spraying of this edge part guider 50, to the translational speed of the distance of coated surface 71 and the paint spray nozzle 18 by the operating personnel, keeps certain utilization from the quality of filming of the coating P of above-mentioned coating nozzle 18 injections.
As previously discussed, according to above-mentioned field application device 1, when fillet welding section 60 carries out field application, fillet welding section corresponding type spraying guider 30 is installed on the front end of injection section 15, and when the front end that makes this fillet welding section corresponding type spraying guider 30 moves along coated surface 61 spray paint, can effectively carry out field application S to fillet welding section 60 with this.
And, when edge part 70 carries out field application S, fillet welding section corresponding type spraying guider 30 is replaced with the corresponding type spraying of edge part guider 50, spray paint when the travel direction guide portion 54 that makes the corresponding type spraying of this edge part guider 50 moves along the coated surface 71 of edge part 70 can be carried out field application S in opposite side edge 70 effectively with this.
So the boats and ships for using new coating standard can promptly carry out field application in each weld part, shipbuilding with longitudinal reinforcement member, panel, reinforcement etc., can seek significantly to reduce work hours with this.
In addition, in above-mentioned example, although the example of the paint spray nozzle 18 of rectangle has been described, the shape of paint spray nozzle 18 also can be the shape except above-mentioned example, is not limited to above-mentioned example.
And, be an example in the size shown in the corresponding type spraying guider 30 of above-mentioned fillet welding section and the corresponding type spraying of the edge part guider 50, each size can be set as suitable value according to service condition etc. and get final product.
In addition, in above-mentioned example, understand that for example top has the paint pump 3 that air motor, bottom have bottom pump 7, yet the structure of paint pump 3 also can be the structure different from above-mentioned example, is not limited to above-mentioned example.
And above-mentioned example illustrates an example, can carry out various changes in the scope that does not affect purport of the present invention, and the present invention is not limited to above-mentioned example.
Industrial applicability:
According to field application device of the present invention, in the construction of the boats and ships of using new coating standard etc., can be used in each weld part, shipbuilding with the field application on the edge part of longitudinal reinforcement member, panel, reinforcement etc. in.
Claims (8)
1. field application device, described field application device are the field application devices that carries out field application for the coated surface at each weld part of structure or edge part; Possess:
Supply with the paint pump of the coating of described field application with authorized pressure;
Control is from the injection section of the injection of the coating of described paint pump supply; With
The paint spray nozzle of spray paint by operating described injection section;
Described paint spray nozzle has between the coated surface that makes precoating section and the spray nozzle front end section and maintains a certain distance, and the coating injection direction that clips simultaneously this paint spray nozzle is relative, and the spraying guider that launches along the expansion of the coating that sprays from this paint spray nozzle.
2. field application device according to claim 1 is characterized in that,
Described spraying guider possesses the corresponding type spraying guider along the fillet welding section that two faces of the coated surface that forms fillet welding section move;
Described fillet welding section corresponding type spraying guider has the curved moving direction bight that contacts with coated surface.
3. field application device according to claim 1 is characterized in that,
Described spraying guider possesses the corresponding type spraying of the edge part guider that moves along two faces of the coated surface that forms edge part;
The corresponding type spraying of described edge part guider has the travel direction guide portion of the concavity that contacts with coated surface.
4. according to claim 2 or 3 described field application devices, it is characterized in that, described paint spray nozzle possesses the changeable mechanism of the coating spray angle that can change this paint spray nozzle.
5. each described field application device in 4 according to claim 1 is characterized in that,
Described paint pump is made of without air pump low pressure;
Described possess without air pump alleviate by once pressing and the adjuster of the fluctuation of the pressure reduction generation that secondary is pressed.
6. field application method, described field application method are the field application methods of carrying out field application for the coated surface at each weld part of structure or edge part; Comprise:
Supply with the coating of described field application with authorized pressure;
Make the coating injection direction of the paint spray nozzle that sprays described coating relative with coated surface;
The spraying guider of the front end by being arranged at described paint spray nozzle, make between the coated surface of the spray nozzle front end section of described paint spray nozzle and precoating section to maintain a certain distance, will carry out application along the expansion of spraying guider from the coating that described paint spray nozzle sprays simultaneously.
7. field application method according to claim 6 is characterized in that, carries out application when two faces that make described spraying guider along the coated surface that forms fillet welding section or edge part move.
8. according to claim 6 or 7 described field application methods, it is characterized in that, change described paint spray nozzle with respect to the coating spray angle of coated surface to carry out application.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| JP2011-153267 | 2011-07-11 | ||
| JP2011153267A JP5866725B2 (en) | 2011-07-11 | 2011-07-11 | Stripe coat coating apparatus and stripe coat coating method |
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| CN102872996A true CN102872996A (en) | 2013-01-16 |
| CN102872996B CN102872996B (en) | 2015-07-22 |
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| CN201210216752.2A Active CN102872996B (en) | 2011-07-11 | 2012-06-28 | Pre-coating device and pre-coating method |
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| Country | Link |
|---|---|
| JP (1) | JP5866725B2 (en) |
| KR (1) | KR101398390B1 (en) |
| CN (1) | CN102872996B (en) |
Cited By (3)
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| CN105689176A (en) * | 2014-12-12 | 2016-06-22 | 川崎重工业株式会社 | Pre-coating coating tool and pre-coating coating device including same |
| CN106741602A (en) * | 2016-11-15 | 2017-05-31 | 大连理工大学 | A kind of ship plank two-shipper is climbed wall and drags painting all standing without rolling track operational method |
| CN113546812A (en) * | 2020-06-29 | 2021-10-26 | 上海德沪涂膜设备有限公司 | Coating device for high viscosity material for improving coating uniformity |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101471659B1 (en) * | 2014-09-18 | 2014-12-09 | (주)예림도장기 | Device to prevent pulsation of airless pump |
| KR102057046B1 (en) * | 2016-01-05 | 2019-12-19 | (주)엘지하우시스 | Nozzle for manufacturing artificial marble and the manufacturing apparatus having the same |
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| CN113546812A (en) * | 2020-06-29 | 2021-10-26 | 上海德沪涂膜设备有限公司 | Coating device for high viscosity material for improving coating uniformity |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013017950A (en) | 2013-01-31 |
| JP5866725B2 (en) | 2016-02-17 |
| CN102872996B (en) | 2015-07-22 |
| KR101398390B1 (en) | 2014-05-22 |
| KR20130007968A (en) | 2013-01-21 |
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